Heart Of Earth And Sky - 4 Bowl Key Of F Harmonic Chord Crystal Singing Bowl Set
A Therapeutic Approach
This 4-bowl frosted crystal singing bowl set is designed as a harmonic system that moves across two octaves of sound—beginning with a deep, grounding low F and rising through C, F, and high C.
Each bowl is selected for its voice, tone, and precise tuning, creating a set that is easy to work with in practice and rich in harmonic possibility.
What This Set Includes
This set includes two Perfect Fifths and Two Octave Harmonics in The Key Of F: 4 precisely-tuned Frosted Crystal Singing Bowls in 440hz or 432hz tuning, chosen in consideration of their voice, tone, pitch and tuning:
14" F, 12" C, 10" F and 8" C
A Harmonic System
This set is built around some of the most stable and foundational relationships in music:
- F to C creates the perfect fifth
- F to F creates the octave
- C to C creates the octave
These simple ratios create a sound that is often experienced as:
- balanced
- uplifting
- grounding
- easy to relax into
The fifth offers openness and stability. The octaves create continuity and depth.
Together, they form a field that feels both rooted and expansive.
Why This Set Is Unique
This set was designed to move through a very specific tonal arc:
- the 14" low F provides a deep, foundational bass tone
- the 12" C establishes the root and gives the set a stable center
- the 10" F brings the same note into a lighter, more open register
- the 8" high C lifts the field upward and gives the set brightness and completion
This creates a progression that can feel like moving:
- from grounding → to centering → to opening → to uplift
That is part of what gives this set its “Earth and Sky” quality.
In Practice
This set is especially useful for practitioners or players who want both restful grounding and more elevated harmonic lift within the same system:
- creating a deep, steady opening tone with the low F
- building a coherent harmonic field with the C and upper F
- introducing a brighter, more elevated tone through the high C
- moving attention gradually from grounding into openness
- working with a simple set that still offers a wide emotional and tonal range
Because the bowls span two octaves, you can work with them in several ways:
- play them together for a full harmonic field
- introduce them gradually from low to high
- alternate between lower and upper bowls to create movement in a session
- rest in the low tones, then bring in the upper C for lift and expansion
This makes the set well suited for both deep restoration and active uplift and concentration.
A Strong Place to Begin or Expand
This is a complete set in itself, but it can also be expanded further.
It works well for someone who wants:
- a rich harmonic set without moving into a full chakra scale
- a smaller set with deeper bass than many standard harmonic options
- a foundation that can later be built into a larger keyed system
Additional harmonics can be added in the future if desired.
432Hz or 440Hz Tuning
This set is available in:
- 440Hz — the international standard for musical tuning
- 432Hz — a slightly lower pitch across all notes
If you plan to play with other instruments, 440Hz is typically preferred.
If you are working only within the bowl set, either may be chosen based on tonal preference.
About Tuning & Quality
Each bowl is chosen for its clarity, tone, and tuning accuracy.
All bowls are crafted from premium-grade crystal and are tuned within ±5 cents of perfect pitch, helping ensure:
- stable harmonic relationships
- clear tone
- consistency across the set
Each bowl also goes through multiple quality checks before shipping.
For safety, portability, and proper storage, we highly recommend our Sunreed Special Nesting Bowl Cases, offered at a discount when purchased with your set.
Each case includes:
- High-quality purple fabric
- Durable stitching
- Two custom foam inserts
- Capacity to store multiple bowls safely
Suggested Nesting Configurations
- 14" Case — 14" Bowl + 8" Bowl
- 14" Case — 14" Bowl + 11" Bowl
- 14" Case — 13" Bowl + 9" Bowl
- 12" Case — 12" Bowl + 10" Bowl + 8" Bowl
These cases protect your investment and simplify travel and storage.
.accordion__content { color: #3d3329 !important; }At Sunreed™, we take great care in preparing each instrument before it leaves our shop. Many of the instruments we offer are handmade or individually selected, and each one is carefully inspected, listened to, and packed so it arrives safely and ready for practice.
Products typically ship the next business day with FedEx or USPS and should arrive within 3 to 7 business days within the US. International shipments may take up to 4 weeks.
Note: for large shipments to Alaska, Hawaii, and international destinations additional freight charges may apply; we will contact you within one business day if additional shipping is required.
⟶ See our shipping policy for more details.
At Sunreed™, we stand behind the quality of our instruments and the care of your experience. However, if something about your order does not feel right, please reach out within 30 days of your order date. We are here to support you, both in your instrument and your practice.
⟶ View our refund policy for further information.
Which Frosted Crystal Bowl Set Should You Choose?
Zacciah Blackburn, Emissary of Sound™, explains the differences between 7, 8, and 9 bowl sets, and how you can use crystal bowls in your practice.
Need help choosing? We're here to help! Read our extensive bowl guide or book a consultation with us.
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